:root{--bg-primary: #0f0a1d;--bg-secondary: #17112a;--bg-tertiary: #221a3a;--accent-purple: #7c4dff;--accent-purple-glow: rgba(124, 77, 255, .4);--accent-magenta: #e040fb;--accent-teal: #00e5ff;--text-primary: #f3f0ff;--text-secondary: #a59fc4;--text-muted: #6b648b;--border-color: rgba(124, 77, 255, .15);--border-color-focus: rgba(0, 229, 255, .4);--success: #00e676;--danger: #ff1744;--glass-bg: rgba(23, 17, 42, .6);--glass-border: rgba(255, 255, 255, .05);--font-family: "Inter", system-ui, -apple-system, sans-serif;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .2);--shadow-md: 0 8px 24px rgba(0, 0, 0, .3);--shadow-lg: 0 16px 40px rgba(0, 0, 0, .4);--shadow-purple: 0 0 20px rgba(124, 77, 255, .3);--shadow-teal: 0 0 20px rgba(0, 229, 255, .2);--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--transition-smooth: all .3s cubic-bezier(.25, .8, .25, 1);--surface-1: rgba(255, 255, 255, .01);--surface-2: rgba(255, 255, 255, .02);--surface-3: rgba(255, 255, 255, .03);--surface-4: rgba(255, 255, 255, .04);--surface-5: rgba(255, 255, 255, .05);--avatar-1-bg: rgba(124, 77, 255, .18);--avatar-1-fg: #b39dff;--avatar-2-bg: rgba(0, 229, 255, .15);--avatar-2-fg: #00e5ff;--avatar-3-bg: rgba(224, 64, 251, .15);--avatar-3-fg: #e884fc;--avatar-4-bg: rgba(0, 230, 118, .15);--avatar-4-fg: #4ade95;--avatar-5-bg: rgba(255, 171, 64, .18);--avatar-5-fg: #ffc166;--avatar-6-bg: rgba(100, 181, 246, .18);--avatar-6-fg: #90caf9;--kpi-purple: #A29BFE;--kpi-blue: #74B9FF;--kpi-mint: #55EFC4;--kpi-amber: #FDCB6E}:root[data-theme=light]{--bg-primary: #f7f5fc;--bg-secondary: #ffffff;--bg-tertiary: #eee9f8;--accent-purple: #6c3ce8;--accent-purple-glow: rgba(124, 77, 255, .25);--accent-magenta: #a62bc2;--accent-teal: #00838f;--text-primary: #1c1430;--text-secondary: #5b5478;--text-muted: #8a82a3;--border-color: rgba(124, 77, 255, .18);--border-color-focus: rgba(0, 131, 143, .45);--success: #1b8a4a;--danger: #d32f2f;--glass-bg: rgba(255, 255, 255, .75);--glass-border: rgba(28, 20, 48, .08);--shadow-sm: 0 2px 8px rgba(124, 77, 255, .08);--shadow-md: 0 8px 24px rgba(124, 77, 255, .1);--shadow-lg: 0 16px 40px rgba(124, 77, 255, .14);--shadow-purple: 0 0 20px rgba(124, 77, 255, .18);--shadow-teal: 0 0 20px rgba(0, 131, 143, .15);--surface-1: rgba(28, 20, 48, .025);--surface-2: rgba(28, 20, 48, .04);--surface-3: rgba(28, 20, 48, .055);--surface-4: rgba(28, 20, 48, .07);--surface-5: rgba(28, 20, 48, .09);--avatar-1-fg: #6c3ce8;--avatar-2-fg: #00838f;--avatar-3-fg: #a62bc2;--avatar-4-fg: #1b8a4a;--avatar-5-fg: #c9780a;--avatar-6-fg: #1565c0;--kpi-purple: #6c3ce8;--kpi-blue: #1565c0;--kpi-mint: #0e8a6b;--kpi-amber: #b8750a}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-purple)}.app-container{display:flex;min-height:100vh}.main-content{flex:1;padding:2.5rem;overflow-y:auto;max-width:1400px;margin:0 auto}h1{font-size:2.2rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,var(--text-primary) 30%,var(--accent-teal));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:.5rem}h2{font-size:1.5rem;font-weight:700;color:var(--text-primary);margin-bottom:1.5rem}p.subtitle{color:var(--text-secondary);font-size:1rem;margin-bottom:2rem}.glass-card{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:1.75rem;box-shadow:var(--shadow-md);transition:var(--transition-smooth)}.glass-card:hover{border-color:#7c4dff4d;box-shadow:var(--shadow-lg),var(--shadow-purple);transform:translateY(-2px)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:var(--radius-sm);font-weight:600;font-size:.9rem;cursor:pointer;transition:var(--transition-smooth);border:none;color:#fff}.btn-primary{background:linear-gradient(135deg,var(--accent-purple),var(--accent-magenta));box-shadow:var(--shadow-sm)}.btn-primary:hover{box-shadow:var(--shadow-purple);opacity:.95;transform:scale(1.02)}.btn-secondary{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-secondary);border-color:var(--accent-purple)}.btn-teal{background:linear-gradient(135deg,var(--accent-teal),#00b0ff);color:#0f0a1d;box-shadow:var(--shadow-sm)}.btn-teal:hover{box-shadow:var(--shadow-teal);transform:scale(1.02)}.btn-danger{background:var(--danger)}.btn-danger:hover{opacity:.9;transform:scale(1.02)}.form-group{margin-bottom:1.25rem}.form-label{display:block;font-weight:500;font-size:.85rem;color:var(--text-secondary);margin-bottom:.5rem;text-transform:uppercase;letter-spacing:.05em}.form-control{width:100%;padding:.75rem 1rem;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-family:var(--font-family);font-size:.95rem;transition:var(--transition-smooth)}.form-control:focus{outline:none;border-color:var(--accent-teal);box-shadow:0 0 10px #00e5ff33}.tabs-header{display:flex;gap:.5rem;border-bottom:1px solid var(--border-color);margin-bottom:2rem;padding-bottom:.25rem;overflow-x:auto}.tab-btn{background:none;border:none;color:var(--text-secondary);padding:.75rem 1.25rem;font-size:.95rem;font-weight:600;cursor:pointer;transition:var(--transition-smooth);border-bottom:3px solid transparent;white-space:nowrap}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--accent-teal);border-bottom-color:var(--accent-teal)}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.5rem}.table-container{width:100%;overflow-x:auto;border-radius:var(--radius-md);border:1px solid var(--border-color);margin-bottom:2rem}.custom-table{width:100%;border-collapse:collapse;text-align:left}.custom-table th{background-color:var(--bg-secondary);color:var(--text-secondary);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;padding:1rem;border-bottom:1px solid var(--border-color)}.custom-table td{padding:1rem;border-bottom:1px solid rgba(124,77,255,.08);font-size:.9rem;color:var(--text-primary)}.custom-table tr:hover{background-color:#7c4dff0a}.alert{padding:1rem 1.25rem;border-radius:var(--radius-sm);margin-bottom:1.5rem;font-weight:500;font-size:.9rem;display:flex;align-items:center;gap:.75rem}.alert-danger{background:#ff174426;border:1px solid rgba(255,23,68,.3);color:#ff5252}.alert-success{background:#00e67626;border:1px solid rgba(0,230,118,.3);color:#69f0ae}.sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;padding:2rem 1.5rem;position:relative;flex-shrink:0;transition:width .25s ease,padding .25s ease}.sidebar.collapsed{width:88px;padding:2rem .9rem}.sidebar-toggle-btn{position:absolute;top:2rem;right:-14px;width:28px;height:28px;border-radius:50%;background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:10;transition:var(--transition-smooth)}.sidebar-toggle-btn:hover{background:var(--accent-purple);border-color:var(--accent-purple);color:#fff}.theme-toggle-btn{width:36px;height:36px;border-radius:50%;background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;transition:var(--transition-smooth)}.theme-toggle-btn:hover{background:var(--accent-purple);border-color:var(--accent-purple);color:#fff}.sidebar-header{margin-bottom:2.5rem}.sidebar.collapsed .logo-container{justify-content:center}.sidebar.collapsed .user-profile-section{justify-content:center;padding:.8rem .5rem}.sidebar.collapsed .nav-item-btn{justify-content:center;padding:.85rem .5rem}.sidebar.collapsed .nav-item-btn.active{border-left:none;padding-left:.5rem}.sidebar.collapsed .logout-btn{justify-content:center;padding:.85rem .5rem}.logo-container{display:flex;align-items:center;gap:.75rem}.logo-badge{background:linear-gradient(135deg,var(--accent-purple),var(--accent-magenta));color:#fff;width:42px;height:42px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.2rem;box-shadow:var(--shadow-purple);overflow:hidden}.logo-badge img{width:100%;height:100%;object-fit:cover}.logo-subtitle{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em}.user-profile-section{display:flex;align-items:center;gap:.75rem;background:var(--bg-tertiary);padding:1rem;border-radius:var(--radius-sm);border:1px solid var(--border-color);margin-bottom:2rem}.user-avatar{background:var(--bg-primary);width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center}.user-meta{overflow:hidden}.user-name{font-weight:600;font-size:.95rem;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-role-badge{font-size:.75rem;color:var(--text-secondary);display:block}.sidebar-nav{flex:1}.sidebar-nav ul{list-style:none}.sidebar-nav li{margin-bottom:.5rem}.nav-item-btn{width:100%;display:flex;align-items:center;gap:.75rem;background:none;border:none;color:var(--text-secondary);padding:.85rem 1rem;font-size:.95rem;font-weight:500;border-radius:var(--radius-sm);cursor:pointer;text-align:left;transition:var(--transition-smooth)}.nav-item-btn:hover{background:#7c4dff14;color:var(--text-primary)}.nav-item-btn.active{background:linear-gradient(135deg,#7c4dff33,#e040fb1a);color:var(--text-primary);border-left:4px solid var(--accent-purple);padding-left:.75rem;box-shadow:var(--shadow-sm)}.sidebar-footer{border-top:1px solid var(--border-color);padding-top:1.5rem}.logout-btn{width:100%;display:flex;align-items:center;gap:.75rem;background:none;border:none;color:var(--danger);padding:.85rem 1rem;font-size:.95rem;font-weight:600;border-radius:var(--radius-sm);cursor:pointer;text-align:left;transition:var(--transition-smooth)}.logout-btn:hover{background:#ff174414}.student-card{display:flex;flex-direction:column;justify-content:space-between}.student-card.inactive{opacity:.6}.student-card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:1.25rem}.student-avatar-small{background:var(--bg-tertiary);border:1px solid var(--border-color);width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--accent-purple)}.student-meta-title h3{font-size:1.05rem;font-weight:600;color:var(--text-primary)}.student-grade{font-size:.8rem;color:var(--text-muted)}.student-card-body{margin-bottom:1.5rem}.student-meta-item{font-size:.85rem;color:var(--text-secondary);margin-bottom:.4rem}.student-card-actions{display:flex;gap:.5rem}.student-card-actions button{flex:1}.btn-sm{padding:.5rem .75rem;font-size:.8rem;border-radius:var(--radius-sm)}.platform-card{border-left:4px solid var(--accent-purple)}.platform-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1.25rem}.platform-card-header h4{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.platform-link{font-size:.8rem;color:var(--accent-teal);text-decoration:none;display:inline-flex;align-items:center;gap:.25rem;margin-top:.25rem}.platform-link:hover{text-decoration:underline}.platform-header-actions{display:flex;gap:.25rem}.action-icon-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:.35rem;border-radius:var(--radius-sm);transition:var(--transition-smooth)}.action-icon-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.action-icon-btn.danger:hover{background:#ff17441a;color:var(--danger)}.credential-row{margin-bottom:1rem}.credential-row:last-child{margin-bottom:0}.credential-label{display:block;font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem}.credential-value-container{display:flex;align-items:center;justify-content:space-between;background:var(--bg-secondary);border:1px solid var(--border-color);padding:.5rem .75rem;border-radius:var(--radius-sm);min-height:38px}.credential-value{font-size:.9rem;color:var(--text-primary);word-break:break-all}.credential-password-input{background:none;border:none;color:var(--text-primary);font-size:.9rem;outline:none;width:80%}.credential-actions{display:flex;gap:.25rem}.copy-btn{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:.25rem;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}.copy-btn:hover{color:var(--text-primary);background:var(--bg-tertiary)}.tracking-widget{margin-bottom:1.5rem}.tracking-widget-header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--border-color);padding-bottom:1rem;margin-bottom:1.25rem}.check-status-btn{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-secondary);display:flex;align-items:center;gap:.5rem;padding:.5rem 1rem;border-radius:var(--radius-sm);cursor:pointer;font-weight:600;font-size:.85rem;transition:var(--transition-smooth)}.check-status-btn.checked{background:#00e67626;border-color:var(--success);color:var(--success)}.tracking-notes-textarea{resize:vertical;margin-top:.5rem}.save-notes-btn{margin-top:.75rem}.notes-label{display:flex;align-items:center;gap:.5rem;font-size:.85rem;color:var(--text-secondary)}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:radial-gradient(circle at center,var(--bg-secondary) 0%,var(--bg-primary) 100%);padding:1.5rem}.login-box{width:100%;max-width:420px;padding:2.5rem}.login-header{text-align:center;margin-bottom:2rem}.login-logo{background:linear-gradient(135deg,var(--accent-purple),var(--accent-magenta));color:#fff;width:56px;height:56px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.5rem;margin:0 auto 1rem;box-shadow:var(--shadow-purple);overflow:hidden}.login-logo img{width:100%;height:100%;object-fit:cover}.login-box h2{margin-bottom:.25rem}.input-with-icon{position:relative}.input-icon{position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:var(--text-muted)}.input-with-icon .form-control{padding-left:2.75rem}.login-btn{width:100%;margin-top:1.5rem;padding:.9rem}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0f0a1dd9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1rem}.modal-content{width:100%;max-width:500px;animation:modalFadeIn .3s cubic-bezier(.16,1,.3,1)}@keyframes modalFadeIn{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;margin-top:2rem}.filters-bar{display:flex;gap:1.5rem;margin-bottom:2.5rem;align-items:flex-end}.filter-group{display:flex;flex-direction:column;min-width:200px}.flex-grow{flex-grow:1}.locked-input{background:var(--bg-tertiary);cursor:not-allowed;color:var(--text-secondary)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.header-actions{display:flex;gap:.75rem}.icon-only{padding:.75rem;aspect-ratio:1}.student-card-wrapper{position:relative}.admin-actions-overlay{position:absolute;top:.75rem;right:.75rem;z-index:10}.delete-student-btn{border-radius:50%;width:28px;height:28px;display:flex;align-items:center;justify-content:center}.empty-state{text-align:center;padding:3.5rem;max-width:480px;margin:4rem auto}.empty-icon{color:var(--text-muted);margin-bottom:1.5rem}.empty-state h3{margin-bottom:.5rem}.empty-state p{color:var(--text-secondary);margin-bottom:1.5rem}.detail-header{display:flex;align-items:center;gap:1.5rem;margin-bottom:2.5rem;border-bottom:1px solid var(--border-color);padding-bottom:1.5rem}.student-profile-title{flex:1}.student-salon-badge{font-size:.85rem;color:var(--accent-teal);background:#00e5ff1a;padding:.25rem .75rem;border-radius:20px;font-weight:600;display:inline-block;margin-top:.25rem}.checkbox-group{margin-top:1rem}.checkbox-label{display:flex;align-items:center;gap:.5rem;cursor:pointer;font-size:.9rem;color:var(--text-primary)}.checkbox-label input{accent-color:var(--accent-purple);width:18px;height:18px}.attendance-grid-container{padding:2rem}.bulk-selection-actions{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;font-size:.9rem;color:var(--text-secondary)}.attendance-checkbox-label{display:inline-flex;align-items:center;justify-content:center;position:relative;cursor:pointer}.attendance-checkbox{opacity:0;position:absolute;width:0;height:0}.checkbox-custom-box{width:24px;height:24px;background-color:var(--bg-secondary);border:2px solid var(--border-color);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:var(--transition-smooth)}.attendance-checkbox:checked+.checkbox-custom-box{background-color:var(--success);border-color:var(--success);box-shadow:0 0 10px #00e67666}.check-icon{color:var(--bg-primary);opacity:0;transform:scale(.5);transition:var(--transition-smooth)}.attendance-checkbox:checked+.checkbox-custom-box .check-icon{opacity:1;transform:scale(1)}.attendance-footer{display:flex;justify-content:flex-end;margin-top:1.5rem}.btn-save-attendance{padding:.9rem 2rem}.summary-banner{display:flex;justify-content:space-around;padding:1.5rem;margin-bottom:2rem;text-align:center}.summary-item{display:flex;flex-direction:column;gap:.5rem}.summary-label{font-size:.85rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.summary-value{font-size:2rem;font-weight:800;color:var(--text-primary)}.teal-text{color:var(--accent-teal)}.purple-text{color:var(--accent-purple)}.tracking-widget-header{border-bottom:1px solid var(--border-color);padding-bottom:1rem;margin-bottom:1rem}.tracking-notes-textarea{background:var(--bg-primary);border:1px solid var(--border-color);margin-top:.5rem;margin-bottom:.75rem;font-size:.85rem}.save-notes-btn{width:100%}.tracking-widget-fields-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-top:.5rem;margin-bottom:.75rem}.tracking-widget-field-label{display:block;font-size:.72rem;font-weight:600;color:var(--text-secondary);margin-bottom:.25rem}.tracking-widget-field .tracking-notes-textarea{margin-top:0;margin-bottom:0}.report-selector-card{max-width:720px}.report-card-header{display:flex;align-items:center;gap:1rem;margin-bottom:1rem}.report-card-header h3{font-size:1.3rem;font-weight:700;color:var(--text-primary)}.report-description{color:var(--text-secondary);font-size:.95rem;margin-bottom:2rem;line-height:1.6}.report-form-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1.5rem;margin-bottom:2rem}.report-action-container{display:flex;justify-content:flex-start}.btn-download-report{padding:1rem 2.5rem;font-size:1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.spinner-icon{animation:spin 1s linear infinite}.loading-state{display:flex;align-items:center;justify-content:center;min-height:300px;color:var(--text-secondary);font-size:.9rem}@media (max-width: 768px){.app-container{flex-direction:column}.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border-color);padding:1.5rem}.sidebar.collapsed{width:100%;padding:1.5rem}.main-content{padding:1.5rem}.report-form-grid{grid-template-columns:1fr}.filters-bar{flex-direction:column;gap:1rem}.filter-group{min-width:auto}}.meriendas-tab-bar{display:flex;gap:.5rem;margin-bottom:1.5rem;background:var(--glass-bg);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.35rem}.meriendas-tab-btn{display:flex;align-items:center;gap:.5rem;padding:.6rem 1.2rem;background:none;border:none;border-radius:var(--radius-sm);color:var(--text-secondary);font-weight:600;font-size:.85rem;cursor:pointer;transition:var(--transition-smooth);white-space:nowrap}.meriendas-tab-btn.active{background:#7c4dff33;color:var(--accent-teal)}.meriendas-tab-btn:hover:not(.active){background:var(--surface-4);color:var(--text-primary)}.meriendas-subview{position:relative}.meriendas-controls{display:flex;gap:1rem;align-items:flex-end;flex-wrap:wrap;margin-bottom:1rem}.meriendas-toast{position:fixed;bottom:2rem;right:2rem;padding:.8rem 1.5rem;border-radius:var(--radius-md);font-weight:600;font-size:.9rem;z-index:9999;animation:toastIn .3s ease;box-shadow:var(--shadow-lg)}.toast-success{background:linear-gradient(135deg,#7c4dff,#00e5ff);color:#fff}.toast-danger{background:linear-gradient(135deg,#ff1744,#ff6b6b);color:#fff}@keyframes toastIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.mes-banner{display:flex;align-items:center;gap:1.2rem;margin-bottom:1rem;padding:1rem 1.5rem}.banner-historico{border-color:#a29bfe40}.banner-activo{border-color:#00e5ff33}.banner-icon{font-size:1.8rem}.banner-title{font-weight:700;color:var(--text-primary);margin-bottom:.2rem}.banner-sub{font-size:.82rem;color:var(--text-secondary)}.banner-stats{margin-left:auto;display:flex;gap:.6rem}.badge-stat{background:#7c4dff1f;color:var(--text-secondary);padding:.3rem .8rem;border-radius:20px;font-size:.78rem;font-weight:600}.badge-stat.accent{background:#00e5ff1f;color:var(--accent-teal)}.attendance-matrix{padding:0;overflow:hidden}.table-scroll-x{overflow-x:auto;overflow-y:visible;-webkit-overflow-scrolling:touch}.matriz-table{width:100%;border-collapse:collapse;font-size:.82rem;min-width:600px}.matriz-table thead th{background:#7c4dff1f;padding:.6rem .4rem;text-align:center;font-weight:700;font-size:.72rem;text-transform:uppercase;letter-spacing:.8px;color:var(--text-secondary);white-space:nowrap;border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:2}.col-item{width:40px}.col-nombre{text-align:left!important;padding-left:1rem!important;min-width:200px;position:sticky;left:0;background:var(--bg-secondary);z-index:3}.col-dia,.col-check{width:36px}.matriz-table tbody tr{border-bottom:1px solid rgba(124,77,255,.06);transition:background .15s}.row-even{background:var(--surface-3)}.row-odd{background:var(--surface-2)}.matriz-table tbody tr:hover{background:#7c4dff12}.matriz-table tbody td{padding:.4rem .3rem;text-align:center;color:var(--text-primary)}.matriz-table tbody td.col-nombre{text-align:left;padding-left:1rem;color:var(--text-primary);font-weight:500;font-size:.85rem;background:inherit;position:sticky;left:0}.day-check{width:22px;height:22px;border:2px solid rgba(124,77,255,.3);border-radius:5px;margin:0 auto;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;transition:all .15s ease;color:transparent}.day-check.checked{background:linear-gradient(135deg,#7c4dff,#00e5ff);border-color:transparent;color:#fff;box-shadow:0 2px 8px #7c4dff66}.day-check:hover{border-color:var(--accent-purple);transform:scale(1.1)}.attendance-footer{display:flex;align-items:center;gap:1.5rem;margin-top:1rem;padding:1rem 0}.footer-count{color:var(--text-secondary);font-size:.88rem}.footer-count strong{color:var(--accent-teal)}.subtab-bar{display:flex;gap:.5rem;margin-bottom:1.5rem}.subtab-btn{display:flex;align-items:center;gap:.4rem;padding:.55rem 1.2rem;border:1px solid var(--border-color);border-radius:var(--radius-sm);background:transparent;color:var(--text-secondary);font-weight:600;font-size:.85rem;cursor:pointer;transition:var(--transition-smooth)}.subtab-btn.active{background:#7c4dff33;border-color:#7c4dff66;color:var(--accent-teal)}.subtab-btn:hover:not(.active){background:var(--surface-4);color:var(--text-primary)}.register-card{max-width:740px}.section-title{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:.4rem}.section-desc{font-size:.85rem;color:var(--text-secondary);margin-bottom:1.5rem}.register-form .form-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem}.activo-toggle{display:inline-flex;align-items:center;gap:.4rem;padding:.3rem .8rem;border-radius:20px;border:none;font-size:.8rem;font-weight:600;cursor:pointer;transition:var(--transition-smooth)}.is-active{background:#00e6761f;color:#00e676}.is-inactive{background:#ff17441a;color:#ff6b6b}.salon-badge{background:#7c4dff1f;color:#a29bfe;padding:.2rem .6rem;border-radius:12px;font-size:.75rem;font-weight:600}.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}.kpi-card{text-align:center;padding:1.4rem 1rem}.kpi-value{font-size:2rem;font-weight:800;margin-bottom:.3rem}.kpi-label{font-size:.72rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.8px;font-weight:600}.chart-card{margin-bottom:1.5rem}.bar-chart{display:flex;align-items:flex-end;gap:4px;height:160px;margin-top:1.2rem;padding:0 .5rem}.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}.bar-count{font-size:.65rem;color:var(--text-muted);margin-bottom:3px}.bar-fill{width:100%;max-width:28px;background:linear-gradient(180deg,#7c4dff,#a29bfe);border-radius:4px 4px 0 0;transition:height .4s ease}.bar-label{font-size:.65rem;color:var(--text-muted);margin-top:4px}.pdf-card{margin-bottom:1.5rem}.pdf-card-header{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem}.pdf-icon{color:var(--accent-magenta)}.pdf-card-header h3{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.pdf-card-header p{font-size:.85rem;color:var(--text-secondary);margin-top:.2rem}@media (max-width: 768px){.kpi-row{grid-template-columns:repeat(2,1fr)}.meriendas-tab-bar{flex-wrap:wrap}.register-form .form-row{grid-template-columns:1fr}.mes-banner{flex-wrap:wrap}.banner-stats{margin-left:0}}.plataformas-split-layout{display:flex;gap:1.5rem;align-items:stretch;min-height:calc(100vh - 120px)}.students-sidebar{width:300px;flex-shrink:0;display:flex;flex-direction:column;height:calc(100vh - 140px);position:sticky;top:20px}.students-sidebar-title{font-size:1.1rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.students-scroll-list{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:.5rem;padding-right:.25rem;margin-top:1rem}.student-list-item-btn{display:flex;align-items:center;justify-content:space-between;width:100%;padding:.85rem 1rem;background:var(--surface-2);border:1px solid var(--surface-5);border-radius:var(--radius-md);color:var(--text-secondary);text-align:left;cursor:pointer;transition:var(--transition-smooth)}.student-list-item-btn:hover{background:#7c4dff14;border-color:#7c4dff33;color:var(--text-primary);transform:translate(4px)}.student-list-item-btn.active{background:#7c4dff26;border-color:#7c4dff66;color:var(--accent-teal);font-weight:600;box-shadow:0 4px 12px #7c4dff1a}.student-list-item-btn.inactive-student{opacity:.55}.badge-inactive{font-size:.7rem;font-weight:600;color:#ff6b6b;margin-left:.4rem}.student-list-item-name{font-size:.88rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:170px}.student-list-item-grade{font-size:.72rem;color:var(--text-muted);background:var(--surface-4);padding:.15rem .4rem;border-radius:4px}.student-list-item-btn.active .student-list-item-grade{background:#00e5ff1f;color:var(--accent-teal)}.student-detail-pane{flex:1;display:flex;flex-direction:column}.student-tag-badge{font-size:.75rem;font-weight:600;padding:.25rem .7rem;border-radius:20px;white-space:nowrap;flex-shrink:0}.detail-pane-title{font-size:1.1rem;font-weight:700;margin-bottom:1rem;color:var(--text-primary)}.detail-info-row{display:flex;flex-direction:column;gap:.2rem}.detail-info-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em}.detail-info-value{font-size:.92rem;color:var(--text-primary);font-weight:500}.detail-summary-cards{display:grid;grid-template-columns:1fr 1fr;gap:1rem;align-items:start}.detail-summary-card{padding:0;overflow:hidden}.detail-summary-card-header{width:100%;display:flex;align-items:center;justify-content:space-between;background:none;border:none;padding:1.1rem 1.25rem;color:var(--text-primary);font-weight:700;font-size:.95rem;cursor:pointer;transition:var(--transition-smooth)}.detail-summary-card-header:hover{background:#7c4dff14}.detail-summary-card-title{display:flex;align-items:center;gap:.6rem;color:var(--accent-teal)}.tracking-form-container{display:grid;grid-template-columns:1fr;gap:1.5rem;margin-bottom:2rem}.tracking-inputs-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.tracking-field-group{display:flex;flex-direction:column;gap:.5rem}.tracking-field-group label{font-size:.85rem;font-weight:600;color:var(--text-secondary)}.tracking-switch-container{display:flex;align-items:center;gap:.75rem;background:var(--surface-2);border:1px solid var(--border-color);padding:1rem;border-radius:var(--radius-md);margin-bottom:1rem;cursor:pointer;transition:var(--transition-smooth)}.tracking-switch-container:hover{border-color:#7c4dff4d;background:#7c4dff05}.tracking-switch{position:relative;display:inline-block;width:44px;height:24px}.tracking-switch input{opacity:0;width:0;height:0}.tracking-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:var(--bg-tertiary);transition:.3s;border-radius:24px;border:1px solid var(--border-color)}.tracking-slider:before{position:absolute;content:"";height:16px;width:16px;left:3px;bottom:3px;background-color:var(--text-muted);transition:.3s;border-radius:50%}.tracking-switch input:checked+.tracking-slider{background-color:var(--success)}.tracking-switch input:checked+.tracking-slider:before{transform:translate(20px);background-color:#fff}.tracking-switch-label{font-size:.9rem;font-weight:600}.tracking-switch-container.checked{border-color:#00e6764d;background:#00e67608}.tracking-history-section{border-top:1px solid var(--border-color);padding-top:2rem;margin-top:2rem}.tracking-history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.tracking-history-list{display:flex;flex-direction:column;gap:1rem}.history-card-item{padding:1.2rem;border-radius:var(--radius-md);background:var(--surface-1);border:1px solid var(--surface-3);transition:var(--transition-smooth)}.history-card-item:hover{background:var(--surface-2);border-color:var(--border-color)}.history-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.history-card-date{font-size:.85rem;font-weight:700;color:var(--accent-teal)}.history-card-badge{font-size:.72rem;font-weight:600;padding:.15rem .5rem;border-radius:12px}.badge-revisado{background:#00e6761f;color:#00e676}.badge-no-revisado{background:#ff17441a;color:#ff6b6b}.history-card-body{display:grid;grid-template-columns:1fr 1fr;gap:1rem;font-size:.82rem}.history-text-block{display:flex;flex-direction:column;gap:.25rem}.history-text-label{font-weight:600;color:var(--text-muted);font-size:.75rem;text-transform:uppercase}.history-text-content{color:var(--text-secondary);line-height:1.4;white-space:pre-line}@media (max-width: 992px){.plataformas-split-layout{flex-direction:column}.students-sidebar{width:100%;height:auto;position:static}.students-scroll-list{max-height:250px}.tracking-inputs-row,.history-card-body,.detail-summary-cards{grid-template-columns:1fr}}.evidencias-paste-zone{border-radius:var(--radius-sm);outline:none;padding:.5rem;margin:-.5rem -.5rem .7rem;transition:var(--transition-smooth)}.evidencias-paste-zone:focus{box-shadow:0 0 0 2px var(--accent-teal);background:#00e5ff0a}